diff --git a/client/src/pages/OrderGroupsPage.tsx b/client/src/pages/OrderGroupsPage.tsx
index beb9788..d2f314e 100644
--- a/client/src/pages/OrderGroupsPage.tsx
+++ b/client/src/pages/OrderGroupsPage.tsx
@@ -458,7 +458,12 @@ export default function OrderGroupsPage() {
                                                 })}
                                             </tbody>
                                             {(() => {
-                                                const groupTotal = memberEntries.reduce((sum, [, m]) => sum + getMemberTotal(m), 0);
+                                                const sumBase = memberEntries.reduce((sum, [, m]) => sum + (m.amount ?? 0) + (m.surchargeAmount ?? 0), 0);
+                                                const dv = group.discountValue ?? 0;
+                                                const totalDiscount = dv > 0
+                                                    ? (group.discountType === 'percent' ? Math.round(sumBase * dv / 100) : dv)
+                                                    : 0;
+                                                const groupTotal = sumBase + totalFees - totalDiscount;
                                                 return groupTotal > 0 ? (
                                                     <tfoot>
                                                         <tr style={{ fontWeight: 700, borderTop: '2px solid var(--luncher-border)' }}>